It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 361 343 is not a prime number.
For example, 361 343 can be divided by 151: 361 343 / 151 = 2 393.
For 361 343 to be a prime number, it would have been required that 361 343 has only two divisors, i.e., itself and 1.
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361 343 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 361 343 is about 601.118.
Thus, the square root of 361 343 is not an integer, and therefore 361 343 is not a square number.
The square of a number (here 361 343) is the result of the product of this number (361 343) by itself (i.e., 361 343 × 361 343); the square of 361 343 is sometimes called "raising 361 343 to the power 2", or "361 343 squared".
The square of 361 343 is 130 568 763 649 because 361 343 × 361 343 = 361 3432 = 130 568 763 649.
As a consequence, 361 343 is the square root of 130 568 763 649.
The multiples of 361 343 are all integers evenly divisible by 361 343, that is all numbers such that the remainder of the division by 361 343 is zero. There are infinitely many multiples of 361 343. The smallest multiples of 361 343 are: